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2019届高考物理二轮复习第一部分专题整合专题二功能与动量第2讲功能关系能量守恒定律课件.ppt

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第2讲 功能关系 能量守恒定律,真题再现,答案 A,图222,答案 B,图223,答案 BCD,考情分析,考点一 机械能守恒定律的应用,答案 (1)51 (2)见解析,答案 BD,考点二 功能关系的应用,答案 见解析,答案 C,答案 ACD,考点三 用功能观点分析多过程问题,答案 (1)2 m/s2 2 m/s (2)4 J (3)0.125 m,

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